The Anglo-Saxons were the majority of inhabitants of England from about the 5th century to the Norman Conquest in 1066.The term was initially used to distinguish the Saxons of England from those in Europe.y Melissa Snell. Definition: The Anglo-Saxons were the majority of inhabitants of England from about the 5th century to the Norman Conquest in 1066. The term was initially used to distinguish the Saxons of England from those in Europe.
Johannes Kepler discovered that the orbits of planets are elliptical. Johannes Kepler.
For most of the planets one must measure the geometry carefully to determine that they are not circles, but ellipses of small eccentricity. Pluto and Mercury are exceptions: their orbits are sufficiently eccentric that they can be seen by inspection to not be circles.